Glacier National Park

USGS Glacier Comparisons

Agassiz Glacier 1913 – 2005 Agassiz Glacier was one of the largest glaciers in the park prior to 1917.  In fact, during the colder, snowier period before 1850 this glacier had advanced down the valley and into the existing forest, bulldozing down trees and creating a “trimline”.  During the drought between 1917 and 1941, this (More...)

Glacier Climate Action Glacier National Park Local Impacts